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Pengendalian Penyakit Akar Gada Pada Tanaman Brokoli (Brassica oleracea L.) Dengan Ecoenzyme Br Tarigan, Rindi Atika; Rahmadina, Rahmadina; Idami, Zahratul
BEST Journal (Biology Education, Sains and Technology) Vol 7, No 1 (2024): Juni 2024
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v7i1.8634

Abstract

Tanaman Brokoli (Brassica oleraceae L.) merupakan tanaman kubis yang memiliki nilai ekonomis tinggi. Brokoli mempunyai cita rasa yang enak bergizi tinggi. Produksi tanaman brokoli mengalami banyak permasalahan antara lain adanya serangan berbagai hama dan patogen penyebab penyakit. Salah satu penyakit yang menyerang tanaman brokoli ialah penyakit akar gada yang disebabkan oleh jamur (Plasmodiophora brassicae Wor.) yang menyebabkan pertumbuhan pada tanaman terhambat dan menjadikan tanaman jadi kerdil. Di Indonesia penyakit ini menyebabkan kerusakan pada tanaman kubis atau brokoli sekitar 88,6 %. Salah satu bentuk pencegahan serangan penyakit ini ialah dengan mengaplikasikan Eco Enzyme. Penelitian ini bertujuan untuk mengetahui pengaruh Eco Enzyme terhadap pengendalian penyakit akar gada dan pertumbuhan tinggi tanaman dan jumlah daun tanaman brokoli (Brassica oleracea L.). Penelitian ini merupakan penelitian kuantitatif berupa eksperimen. Pengambilan data dilakukan dengan Rancangan Acak Lengkap (RAL) non faktorial, yaitu perlakuan (P0 : Kontrol, P1 : Pemberian Eco Enzyme kombinasi kentang dan lidah buaya 10 ml/2 liter air, P2 : Pemberian Eco Enzyme kombinasi nanas dan lidah buaya 10 ml/2 liter air). Berdasarkan hasil penelitian, pengaplikasian Eco Enzyme memiliki pengaruh berbeda nyata terhadap pertumbuhan akar gada, intensitas serangan penyakit, dan pertumbuhan tinggi tanaman dan jumlah daun. Kombinasi Eco Enzyme yang paling efektif untuk mencegah pertumbuhan akar gada dan pertumbuhan tanaman ialah P2.
DNA BARCODING OF HARIMONTING (RHODOMYRTUS TOMENTOSA) USING THE TRNL-F GENE Khaira MS, Nazlil; Tambunan, Efrida Pima Sari; Idami, Zahratul
BEST Journal (Biology Education, Sains and Technology) Vol 7, No 1 (2024): Juni 2024
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v7i1.8440

Abstract

DNA Barcoding is one or more short gene sequences taken from a standard part of the genome and used to identify species. Harimonting plant is a wild plant, but in some places this plant is used as an ornamental plant. This study aims to determine the molecular characteristics of the trnL-F gene in Rhodomyrtus tomentosa, to determine the genetic diversity of Rhodomyrtus tomentosa using the trnL-F gene, and to examine the phylogenetic relationships of Rhodomyrtus tomentosa using the trnL-F gene. This research method was carried out in stages: sample collection, DNA isolation, PCR (Polymerase Chain Reaction), electrophoresis, sequencing and analysis of sequence results. Morphological characterization of Rhodomyrtus tomentosa plants collected from Tara Bunga Hill was seen from the results of DNA barcodes and observations of visible morphological characters and literature studies. The results of the Rhodomyrtus tomentosa DNA barcode from the results of molecular analysis of Rhodomyrtus tomentosa obtained the results of a sequence of 359 bp. The plant sequences of Rhodomyrtus tomentosa were analyzed using the MEGA 11 application. Genetic distance calculation (pairwise distance), GC content calculation, and nucleotide diversity were performed. Calculation of GC content showed that the value of GC content in Rhodomyrtus tomentosa was lower than AT content which indicated that Rhodomyrtus tomentosa species were more primitive. Based on the phylogenetic tree reconstruction, all species are divided into 2 clades.
Keanekaragaman Jenis Mangrove di Kawasan Suaka Margasatwa Karang Gading dan Langkat Timur Laut Kabupaten Langkat Sumatera Utara Astuti, Astri Widia; Hutasuhut, Melfa Aisyah; Idami, Zahratul
BEST Journal (Biology Education, Sains and Technology) Vol 7, No 1 (2024): Juni 2024
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v7i1.9064

Abstract

Tumbuhan mangrove merupakan karakteristik pada tanaman pantai, estruari atau muara sungai dan delta ditempat yang terlindungi daerah tropis dan sub tropis. Kawasan Suaka Margasatwa Karang Gading merupakan kawasan konservasi yang mempunyai ciri khas berupa keanekaragaman atau keunikan jenis mangrove. Penelitian ini bertujuan untuk mengetahui jenis-jenis mangrove, indeks nilai penting dan keanekaragaman mangrove di Kawasan Suaka Margasatwa Karang Gading. Penelitian ini bersifat survey eksploratif dengan menggunakan metode kuadrat. Peletakan plot secara purposive sampling sebanyak 20 plot yang berukuran 10m x 10m. Hasil penelitian ini menunjukkan bahwa di Kawasan Suaka Margasatwa Karang Gading terdapat 6 famili yang tergolong 10 jenis mangrove penyusun hutan yaitu Avicennia marina (Forssk) Vierh, Avicennia marina var. rumphiana (Halier f) Bakh, Avicennia marina (Forssk) Vierh, Bruguiera parviflora (Roxb.) Wight Arn. Ex Griff, Bruguiera sexangula (Lour) Poir, Casuarina equisentifolia L, Ceriops taga (Perr) C.B. Rob, Excoecaria agalocha L, Rhizophora apiculata Blume dan Xylocarpus granatum J.Koening. Adapun nilai INP tertinggi diperoleh jenis Rhizophora apiculata Blume (yaitu; 44,89) sebab ciri morfologinya yang menunjang dalam perihal bersaing dengan tipe yang lain serta didukung dengan kondisi yang baik. Indeks keanekaragaman tumbuhan mangrove di Kawasan Suaka Margasatwa Karang Gading tergolong sedang dengan nilai H’ sebesar 2,069.
Pengaruh Pemberian Pupuk PhotosyntheticBacteria (PSB) Terhadap Pertumbuhan Vegetatif Tanaman Terong Ungu (Solanum melongena L.) Varietas Yuvita F1 Dewi, Tiara; Rahmadina, Rahmadina; Idami, Zahratul
BEST Journal (Biology Education, Sains and Technology) Vol 7, No 1 (2024): Juni 2024
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v7i1.8636

Abstract

Indonesia memiliki berbagai varietas terong, baik varietas unggul yang dikembangkan oleh produsen benih maupun lokal oleh petani. Salah satu varietas unggul yaitu Solanum melongena L. Var. Yuvita Fl dengan keunggulan tahan akan serangan hama dan penyakit. Terong ungu dalam berbuah tergantung interaksi tumbuh pada tanaman maupun lingkungan. Terdapat beberapa kendala dalam pertumbuhan dan produksi terong ungu yaitu faktor biotik yang disebabkan oleh serangan hama dan patogen serta abiotik yang disebabkan oleh suhu, lingkungan dan perubahan iklim. Salah satu bentuk pemeliharaan adalah dengan memberikan pupuk photosynthetic bacteria (PSB). Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk photosynthetic bacteria (PSB) terhadap pertumbuhan vegetatif tanaman Terong ungu Hibrida F1 dan konsentrasi yang efektif bagi pertumbuhan tanaman terong. Penelitian ini merupakan penelitian kuantitatif berupa eksperimen. Pengambilan data menggunakan Rancangan Acak Kelompok (RAK) Non Faktorial, yaitu konsentrasi (P0 : Kontrol, P1 : Pemberian PSB 5 ml/1 liter air, P2 : Pemberian PSB 10 ml/1 liter air, P3 : Pemberian PSB 15 ml/1 liter air, P4 : Pemberian PSB 20 ml/1 liter air). Berdasarkan Hasil penelitian, Pemberian pupuk photosynthetic bacteria (PSB) memiliki pengaruh berbeda nyata terhadap tinggi tanaman, jumlah daun, indeks luas daun, kadar klorofil, jumlah bunga dan laju pertumbuhan relatif. Konsentrasi yang efektif dalam meningkatkan tinggi tanaman, jumlah daun, indeks luas daun, jumlah bunga dan laju pertumbuhan relatif adalah P2. Namun kadar klorofil konsentrasi paling baik adalah P4
Studi Etnobotani Tumbuhan Pangan Yang Tidak Dibudidayakan Oleh Masyarakat Suku Karo Di Kecamatan Barus Jahe Sumatera Utara Wandini, Dwi Febiyanti; Idris, M; Idami, Zahratul
BEST Journal (Biology Education, Sains and Technology) Vol 7, No 1 (2024): Juni 2024
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v7i1.8650

Abstract

Etnobotani merupakan ilmu pengetahuan yang berkaitan dengan pemanfaatan tumbuhan oleh masyarakat, salah satunya sebagai tumbuhan pangan. Penelitian ini bertujuan untuk mengetahui spesies tumbuhan, kategori pemanfaatan, dan cara pemanfaatan tumbuhan pangan yang tidak dibudidayakan. Metode yang digunakan dalam penelitian ini adalah kualitatif dan kuantitatif. Penelitian kualitatif dilakukan dengan cara observasi dan wawancara terbuka. Teknik pemilihan informan yang digunakan dalam observasi adalah purpose sampling dan snowball sampling. Sedangkan metode kualitatif digunakan untuk menyajikan dan mendskripsikan data yang dilakukan dengan menghitung ICF (Informant Consesus Factor) dan RFC (Relative Frecuency of Citation). Ditemukan sebanyak 31 spesies tumbuhan pangan yang tergolong dalam 21 famili. Organ tumbuhan pangan yang banyak digunakan yaitu bagian buah sebanyak 42,9%, Daun 34,3%, batang 11,4%, Bunga 5,7%, dan umbi 5,7%. Nilai ICF tertinggi dengan nilai 1 diperoleh dari kategori minuman. Sedangkan nilai RFC yang paling tinggi dengan nilai 1 diperoleh dari tumbuhan Physalis peruviana
Teacher and EFL Primary School Students’ Perspectives on the Shadowing Technique for Pronunciation Instruction Wati, Shafrida; Idami, Zahratul
azkiya Vol 9 No 2 (2024): Al-Azkiya: Jurnal Pendidikan MI/SD
Publisher : the Study Program of Education for Islamic Elementary School Teachers (Undergraduate)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32505/azkiya.v9i2.9656

Abstract

This study elaborates the perspectives of teachers and primary school students learning English as a Foreign Language (EFL) regarding the application of the shadowing technique for pronunciation. Scholars have acknowledged shadowing as an effective technique for improving learners' pronunciation, where pupils replicate speech as carefully and promptly as possible following a speaker. This qualitative study was carried out at MIN 2 Langsa throughout the academic year of 2022-2023. Subject of the research was an English teacher and 30 fifth-grade pupils selected purposively. Data were gathered through semi-structured interviews with an EFL teacher and focus group discussions with the primary school students, followed by classroom observations to provide a deeper comprehension of the actual use of the method. Thematic analysis was employed to identify key patterns and themes in participants' responses. Results revealed that teacher considered the technique effective for enhancing students' speech accuracy, rhythm, and intonation. It offers students an immediate opportunity to correct their pronunciation and actively involves them in learning English, particularly in terms of pronunciation. The learners primarily viewed shadowing activity as an enjoyable exercise, where they practiced English chorally. This technique fosters students' confidence in the English classroom by alleviating individual pressure, while all participants learn and practice English together. Thus, it can be a powerful tool for enhancing young learners’ pronunciation in an engaging way. English teachers might employ the technique as an alternative strategy to engage young learners in foreign language acquisition, particularly in pronunciation.
Teknik RAPD (Random Applied Polymorphic DNA) untuk Analisis Keanekaragaman Genetik pada Tanaman Ciplukan (Physalis angulata L.) di Kabupaten Labuhan Batu Utara Yusvita, Diana; Idami, Zahratul
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.12889

Abstract

The ciplukan plant (Physalisangulata L.) can be used as traditional medicine, but so far people only know that this plant can only be used for the fruit. This research aims to determine the results of RAPD primary analysis which can produce polymorphic bands in Ciplukan Plants (Physalisangulata L.) in North Labuhan Batu Regency using different primers. This research is a quantitative research. Sampling was carried out in Bondar Village and Simpang Tiga Village, Kualuh Leidong District, North Labuhan Batu Regency. Then continued with molecular analysis at the Genetics Laboratory, Faculty of Science and Technology, North Sumatra State Islamic University, Medan. The results of RAPD (Random Applied Polymorphism DNA) analysis of ciplukan plants in North Labuhan Batu district using six different primers, namely the length of the nucleotides in the amplified DNA fragments, are shown in primers OPA-2 & OPA-3 are 600bp-3000bp, while OPA-5, OPA-7, OPD -11, & OPD-13 are 500bp-3000bp with different nucleotide sequences. The differences in the length and number of nucleotide sequences in ciplukan plants are caused by the plants used coming from different locations and several factors such as the environment, population size, natural conditions, reproductive methods and natural selection.
Translating Indonesian to English: Problems and Solutions Experienced by English Education Students Idami, Zahratul; Keumala, Meta; Saifani, Meutia; Nadila, Evi; Dakiani
Jumper: Journal of Educational Multidisciplinary Research Vol 4 No 1 (2025): Jumper: Journal of Educational Multidisciplinary Research
Publisher : LSM Catimore dan Sahabat Jl. Paya Ilang/Pertamina Desa Lemah Burbana, Takengon, Aceh Tengah 24552

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56921/jumper.v4i1.277

Abstract

This study investigates the challenges faced by students in translating Indonesian to English, focusing on students from the English Education Department at IAIN Langsa who had enrolled in the Scientific Translation course. A descriptive qualitative methodology was employed, with five students as the participants. Data were collected through documentation analysis and interviews. The research reveals four key problems in translation, including achieving equivalent meaning, determining particular terminology, dealing with idiomatic expression, and addressing mechanical errors especially punctuation. The study also explored potential solutions and strategies that students could employ to improve their translation skills such as consulting bilingual dictionary, using translation mechines (google translate and DeepL), and discussing with friends and lecturer. The findings provide valuable insights into the specific challenges faced by translation students and suggest areas for further improvement in translation training within the English Department.
Multimedia Technology in English Language Teaching: Advantages or Disadvantages? Keumala, Meta; Idami, Zahratul; Zakaria, Zakaria
Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research Vol. 2 No. 1b (2025): NOVEMBER 2024 - JANUARI 2025 (TAMBAHAN)
Publisher : UNIVERSITAS SERAMBI MEKKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/mister.v2i1b.2984

Abstract

Multimedia technology integration has grown in popularity in the ever-changing field of modern education, providing a more comprehensive method of instruction. Three English instructors at an Islamic Senior High School in Aceh Besar provided the data for this study, which used a qualitative methodology, between January 22 and 27, 2024. The interview and observation guide sheet were constructed based on Pun (2013) about the advantages and disadvantages of the use of multimedia technology in English language teaching. Data analysis from observation and interviews was done qualitatively. The results show that Class 1 was taught by T1 whose focused on teaching grammar skill to 19 students of the first grade of senior high school. The results of the quiz showed that there were 3 students who got low scores (60,50,40), 7 students got 75-85 and 9 students were all correct (100). Class 2 shows that T2 taught speaking skills through a YouTube channel and 22 students were participating in the class. Class 3 shows that teacher teaches reading skills employed an online reading website named "Perussall”
Diversity of Bird Species in the Mangrove Forest of the Karang Gading Wildlife Sanctuary and Northeast Langkat Doly, Raja; Hutasuhut, Melfa Aisyah; Idami, Zahratul
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 7, No 2 (2022): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v7i2.232-239

Abstract

Birds play an important role in mangrove ecosystems because they help improve forests in natural ways such as flower pollination, and grain dispersal. This study was conducted to find out the types of birds, diversity, equality and dominance of bird species in the Karang Gading and Langkat Northeast Wildlife Sanctuaries. A method that combines the calculation point of IPA (Indices Ponctuele d'Abundance) with the transect line (line transect). Found 43 species of birds from 10 Orders and 22 families. The diversity index in the Karang Gading and Langkat Northeast Wildlife Sanctuary area has a value of 2.80 with a medium category. Furthermore, the equality index has a value of 0.81 with an uneven category. Then the dominant index of bird species in the area has an average category of non-dominant bird species. This value indicates that the Karang Gading Wildlife Sanctuary and Northeast langkat area supports as a bird habitat with the success of a type of bird in utilizing niches and being able to adapt to environmental conditions from all disturbances such as anthropogenic activities in the region.
Co-Authors A. Rani, Faisal Abdul Wahab Abdi, Abdul Wahab Abidin Nurdin Alfi Rahman Ali Afwanudin Ali Akbar Alkaf, Muhammad Amalia Mukhtar Ashari, Maya Asri Gani Astuti, Astri Widia Azzahrawi Azzahrawi Br Tarigan, Rindi Atika Cut Khairunnisak Dakiani diana, Rahma Doly, Raja Dur , Sajaratud Dwi Pratiwi, Anggrainy Eddy Purnama Ellianti, Ellianti Erdiwansyah Erdiwansyah Fattara, Fajar Putra Fita Nelyza Hafsa, Sri Sholeha Hara, Nina Tiya Harahap, Atika Rahmah Harnita Harnita Hasra, Barratun Nisa Helmi Helmi Husna, Nina Hayatul Husnarika Febriani, Husnarika Husni Djalil Husni Husni Hutasuhut, Melfa Aisyah Ichsan Maulana Ida Muliawati Idham Idham Ihdi Karim Makinara Ihyannisak Zain Israr Hirdayadi Kasmawati Kasmawati Keumala, Meta Khaira MS, Nazlil Kurniasy, Dessy Kusumapradja, Rokiah Leni Widiarti, Leni Lismalinda Lubis, Habib Jailani M Ikhsan M. Hardiansyah M. Idris M. Irham M. Zaki Mahfud Mahfud Mahidin Mahidin Manalu, Kartika Manulu, Kartika Mariana Mariana Masturah, Siti Ghaisani Maulidian, Muhammad Okta Ridha Muazzin Muazzin muhammad rizky, muhammad Mukhlis Mukhlis Mukhlis Mukhlis Mumtaz, Raydina Mursyid Djawas Muslim Zainuddin Nadifa, Dalilla Nadila, Evi Nasution, Niska Maulida Ningrum, Nurlian Augustin Nova Fahradina Novianti, Mutiara Nugroho, Muhammad Agung Nurul Fadhilah Pocut Navieza Pratama, Yuda Rizky Puspita, Siti Neni Qudwatin Nisak M. Isa Rahmadina, Rahmadina Rahmadsyah, Rangkuti Rahmah Johar Ramayati, Ike Rangkuti, Ana Rahmawati Rangkuti, Rahmadsyah Rangkuti, Rahmatsyah Riski Afrial Ritonga, Desi Rohaizati, Ulya Rosifa, Gita Dewi Rossya, Nadila Rizki Rusdianda Rusdianda Saifani, Meutia Sajaratud Dur, Sajaratud Salsabila, Nada Shafrida Wati, Shafrida Shafridawati Shella Namira Wardia Shinta Seftyana Silalahi, Ali Affan Simbolon, Wira Hariati Siregar, Elsa Manora Suhaimi Suhaimi Suhery, Dedy Syahputra, Akbar Syahreza, Daffa Rizki Syahrizal Abbas Tambunan, Efrida Pima Sari tiara dewi Utami, Mutiara Alya Wahidah Wahidah Wahidah Wandini, Dwi Febiyanti Yanis Rinaldi Yunita Yunita Yusvita, Diana Zaiyana Putri, Zaiyana Zakaria Zakaria Zuhra, Arini Zulyani Mahmud